I néed to know wich of thé staments are true
2 answers:
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Answer:
The mean number of the children is 1.2
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Step-by-step explanation:
Given
Children: 0, 1, 2, 1, 2
Required
Determine the Mean number
The mean of a set is calculated as follows;
Where x is the given set and n is the number of sets
In this case, n = 5 children
Hence;
<em>Hence, the mean number of the children is 1.2</em>
Let,
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)
...................................equation (2)
Taking equation (2)
Substituting the value of "x" from equation (1), we get,
Cross multiplying, we get,
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Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get
So, the numbers are
and 
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)
Taking equation (2)
Substituting the value of "x" from equation (1), we get,
Cross multiplying, we get,
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Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get
So, the numbers are